Kewaskum, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kewaskum, a village in Washington County, Wisconsin.
Overnight
56°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 56. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for Kewaskum
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Showers And Thunderstorms | 15 mph E | 100% |
| Saturday | 66°F | Showers And Thunderstorms | 5 to 10 mph SE | 100% |
| Saturday Night | 56°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 74% |
| Sunday | 65°F | Scattered Rain Showers | 10 to 15 mph NE | 28% |
| Sunday Night | 50°F | Mostly Cloudy | 10 to 15 mph NE | 2% |
| Monday | 61°F | Mostly Cloudy | 10 to 15 mph NE | 3% |
| Monday Night | 46°F | Mostly Cloudy | 5 to 10 mph NE | 2% |
| Tuesday | 61°F | Partly Sunny | 5 to 15 mph NE | 3% |
| Tuesday Night | 46°F | Partly Cloudy | 5 to 10 mph NE | 4% |
| Wednesday | 63°F | Mostly Sunny | 5 to 10 mph NE | 4% |
| Wednesday Night | 48°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Thursday | 66°F | Mostly Sunny | 0 to 5 mph NE | 4% |
| Thursday Night | 48°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Friday | 69°F | Mostly Sunny | 0 to 5 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Kewaskum (43.518, -88.231). Updated through the day.
Growing snapshot for Kewaskum
Last spring frost
May 1
First fall frost
Oct 12
Growing season
161 days
Hardiness zone
5b
More local growing data for Kewaskum: nearby ZIP 53040 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, W Bend Public Works, Wi (8 mi from Kewaskum). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.